Send SMP init message with /otr secret
Handle SMP secret response
Added SMP ui events
Tidied UI messages for SMP shared secret authentication
Added SMP secret authentication success message
Fixed error on SMP authentication fail
Added SMP secret libotr 4.0.0 handlers
Attempt at shared secret authentication for libotr 4.0.0

Bug exists where second attempt always gets stuck
Removed debug
Added ui functions for otr authentication
Added question answer authentication (libotr 3.2.x)
Merge branch 'master' into otrsmp

Conflicts:
	install-all.sh
libotr
Merge pull request #343 from ashleyblackmore/patch-1

replace libotr2-dev with libotr5-dev
Handle room subject and broadcasts sent before roster received

Issue #341
Added null check for presence error stanza namespace element

Issue #341
Refactroed self presence checks, handle null stanzas

Issue #341
Merge branch 'master' into otrsmp
Added UI messages for smp question/answer result
Added question answer messages for libotr 4.0.0